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aleksandrvk [35]
3 years ago
9

PLEASE HELP!!!! 20 points

Mathematics
1 answer:
Vladimir79 [104]3 years ago
4 0

Answer:

Interval notation [-2, 0) U (0, 7]

Step-by-step explanation:

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Help me please I’m not so smart hehe
ss7ja [257]

Answer:

R = 14 cm

A = pi R^2 = 3.14 " 196 = 616 cm^2

6 0
2 years ago
Which is a unit rate?
ss7ja [257]

Answer:

18 miles driven in a week

Step-by-step explanation:

a unit rate is x/1, x being 18 miles and 1 being 1 week

6 0
3 years ago
10. 5(3-9b) = 3(-15b – 2)
olga2289 [7]

Answer:

No Solution

Explanation:

5(3 - 9b) = 3(-15b – 2)

Expand

5(3 - 9b): 15 - 45b

3(-15b - 2): -45b - 6

15 - 45b = -45b - 6

Subtract 5 From Both Sides

15 - 45b - 15 = -45b - 6 - 15

Simplify

-45b = -45b - 21

Add 15b To Both Sides

-45b + 15b = -45b - 21 + 15b

Simplify

0 = -21

No Solution

8 0
3 years ago
What shape is this?<br> A.cylinder<br> B.square<br> C.rectangle<br> D.tetrahedron
Mice21 [21]
Thats a rectangle .........
6 0
3 years ago
Can somebody help me find the surface area of this
-Dominant- [34]

Answer:

G. 7600 cm^{2}

Step-by-step explanation:

Step 1: Deconstruct the shape

2 rectangles with dimension of 50 cm x 20 cm

2 rectangles with dimension of 40 cm x 20 cm

2 rectangles with dimension of 40 cm x 50 cm

Step 2: Find surface area of the shapes

2(50 x 20) = 2000 cm^{2}

2(40 x 20) = 1600 cm^{2}

2(40 x 50) = 4000 cm^{2}

Step 3: Add the surface areas together

2000 + 1600 + 4000 = 7600 cm^{2}

Therefore the surface area is 7600 cm^{2} and the answer is G.

4 0
3 years ago
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